The adventure of the speckled band
"With the result of driving it through the ventilator."
"And also with the result of causing it to turn upon its master at the other side. Some of the blows of my stick landed on it and roused its snakish temper, so that it flew upon the first person it saw. In this way I am no doubt indirectly responsible for Dr. Grimesby Roylott's death, and I cannot say that it is likely to weigh very heavily upon my conscience."